Omron ZFV-CA40 Smart Sensor Amplifier for Vision Based Inspection

Product Overview

The Omron ZFV-CA40 is a smart sensor amplifier (controller) for the ZFV series of compact vision sensors. It processes images captured by an attached camera head (sold separately) and performs inspection tasks such as presence/absence checking, part orientation measurement, and edge detection. The amplifier unit contains the processor, I/O, and communication interfaces, providing a compact solution for automated quality control in manufacturing lines. The ZFV-CA40 operates at 24 V DC and consumes 0.8 A.

Key Features of ZFV-CA40

The amplifier supports up to two camera heads (color or monochrome) with resolution up to 640 x 480 pixels. It includes a built-in LCD display for real-time image viewing and parameter setting. The unit has 4 digital inputs (NPN/PNP selectable) and 4 digital outputs (transistor, 50 mA each). It also includes a Ethernet port (TCP/IP) for remote monitoring and configuration, as well as an RS-232C serial port for PLC communication.

The ZFV-CA40 offers various inspection tools: pattern matching, area measurement, brightness, edge count, and OCR. It can store up to 32 inspection programs. The unit features a teach function that automatically sets thresholds based on sample parts. It also has a logging function that saves inspection results and images to internal memory or external USB drive (via optional adapter). The amplifier is powered by 24 V DC and is rated for operation in 0-50°C. It mounts on a DIN rail and has an IP20 protection rating.

Technical Specifications

• Manufacturer: Omron Corporation

• Part Number: ZFV-CA40

• Series: ZFV Smart Sensor

• Product Type: Sensor Amplifier / Vision Controller

• Camera Support: Up to 2 (ZFV-series camera heads)

• Resolution: 640 x 480 pixels (max)

• Inspection Tools: Pattern matching, area, edge, brightness, OCR

• Number of Programs: 32

• Display: Built-in monochrome LCD

• Digital Inputs: 4 (24 V DC, NPN/PNP)

• Digital Outputs: 4 (NPN/PNP, 50 mA)

• Communication: Ethernet (TCP/IP), RS-232C

• Power Supply: 24 V DC (20.4-28.8 V), 0.8 A

• Operating Temperature: 0 to +50 °C

• Degree of Protection: IP20

• Mounting: DIN rail

• Certifications: CE, UL

Functional Description

The ZFV-CA40 triggers the camera to capture an image when an external sensor (e.g., part present) signals an input. It processes the image using the selected tool and compares the result to taught reference data. A pass/fail decision is output via the digital outputs to a PLC or rejection mechanism. The Ethernet port allows the amplifier to send inspection images and results to a central database for quality tracking. The RS-232C port can be used for serial data transfer or direct PLC connection. The teach function simplifies setup: the user shows a known good part, and the unit automatically calculates thresholds.

Applications

The ZFV-CA40 is used in packaging inspection (label presence, cap alignment), pharmaceutical verification, electronic component placement, and automotive part assembly verification. It is a replacement amplifier for existing ZFV vision systems.